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    World-Class Engineering Solutions

    ESCA International is composed of teams of engineers and architects who are well-versed in global construction standards.

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  • SLIDER-Hofuf-Plant-Saudi-Ce
    Global Engineering Standards

    We are based in the Philippines, which is one of the largest providers of outsourced services in the world thanks to its extensive pool of talents.

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  • SLIDER-NEW-Head-Office
    Focus on your Core Business

    We are experts in a wide range of architectural, engineering and construction disciplines.

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  • AYALA-BRIDGE-Slider-New
    Maximize your Competitiveness

    We deliver cost-effective solutions for your engineering requirements.

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Why Work with ESCA?

Accomplished Talents

We are licensed professionals and we undergo continuous training and development.

Business Efficiency

We augment your capabilities and enhance your productivity.


We deliver quality work at competitive rates.


Engineering Staff Support

We provide a long-term, dedicated staffing solution that gives you control over your technical staffing needs. Our people become part of your team.

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Engineering Project Support

We provide short-term and project-specific services that meet your varying demands.

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Corporate Vision

ESCA International commits to being the global engineering company of choice, utilizing state-of-the-art technology with the help of well-trained, highly motivated and well cared-for employees. We will only provide excellent, quality and cost-effective engineering services to our customers. In the process, we hope to improve the quality of life of all our stakeholders.

Our Values

We embody the values of Excellence, Professionalism, Teamwork, Integrity and Quality. We care for our clients and aim for no less than total customer satisfaction.

Featured Global Partners
MKC 700 N. Brand Blvd., Suite 700 Glendale, CA 91203-3215, USA PSOMAS 555 South Flower Street, Suite 4300, Los Angeles, CA 90071, USA SSFM International 501 Sumner Street, Suite 620, Honolulu, Hawai’i 96817, USA Bow Engr. 1953 South Beretania Street, #PH-A Honolulu, Hawaii 96826, USA Nippon Osaki Center Building, 1-5-1 Osaki, Shinagawa-ku, Tokyo 141-8604, Japan TG Engineers, PC Sunny Plaza Suite 206, 125 Tun Jesus Crisostomo St., Tamuning Guam, USA Bryant Concepts Unit 3 / 66 Rundle Street, Kent Town SA 5067, (Adelaide Office), Australia AlRashid & Abetong Rashid Tower, 3rd Floor, Dhabab St., Al Maather Area, Riyadh, Kingdom of Saudi Arabia
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Building Information Management



ESCA International staff can help you create and manage intelligent 3D models for the design, construction and operation of a facility. These include architectural, structural, mechanical, electrical and plumbing models. Our resources are also skilled in clash detection, quantity extraction, construction simulation, and preparing walkthroughs and snapshots.

Steel and Rebar Detailing



ESCA International’s detailers and checkers have several years of experience in structural steel detailing and drafting using Xsteel, AutoCAD, Revit and Tekla Structures.

Project Management



ESCA International can find you individuals with varied backgrounds in quality assurance, risk and cost analysis, design, construction, engineering and management execution. Using CAD and animation technologies, they can generate visualizations of actual construction progress through 3D rendering and virtual walkthroughs.

Civil Works



ESCA International’s civil engineers are experienced in planning and designing horizontal structures and communal amenities, matching specifications to the concept and actual land conditions.

Structural Engineering



ESCA International resources help you efficiently achieve an optimum designby utilizing the latest structural software available today, which make complete analyses possible in minutes.


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What type of service do you require?
 Engineering Staff Support (full-time) Engineering Project Support (project-based)

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 Architectural Works Structural Works Structural Analysis - Rehabilitation or Investigation Civil Works Site Development CAD/ Rendering Building Information Modeling Steel detailing MEP Plan
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Jean Jacquelyn Nathania A. De Castro, LL.B.
General Counsel & Vice President, Finance and Administration


Jean A. de Castro joined ESCA in 2011, where she currently serves as General Counsel and Vice President for Finance and Administration. Prior to ESCA, she was a Senior Associate at Villaraza Cruz Marcelo and Angangco and a consultant of the Privatization and Management Office of the Philippine Government.

Currently, Jean is also a consultant of Molo Sia Velasco Dy Tuazon Ty and Coloma Law Offices for construction arbitration. She has attended various FIDIC (International Federation of Consulting Engineers) Training Modules under its International Contracts Training Course on Contracts Administration and Implementation. She is also a trained arbitrator of the Philippine Dispute Resolution Center Inc.

Jean has an Applied MBA from the Executive Development Academy and an LLB from the University of the Philippines, Diliman, where she finished fifth in her class. She earned her BA in Political Science with great honor also at the state university. She passed the Bar in 2007.

Ernesto S. de Castro, Ph.D.
President/Chief Executive Officer


Dr. Ernesto S. de Castro is a well-respected authority in the Philippine civil and structural engineering industry. His expertise and reputation has helped ESCA International reach its current status as a globally competitive engineering firm.

The desire to advance the profession is reflected in Dr. de Castro’s involvement in several industry associations. He has led the American Society of Civil Engineers, the Philippine Institute of Construction Arbitrators and the Association of Consulting Civil Engineers of the Philippines. He was also President of the Association of Structural Engineers of the Philippines and the Philippine Institute of Civil Engineers, and is still a fellow of these groups today. For six years until 1997, he chaired the Philippine Professional Regulation Commission’s Board of Civil Engineering. He has been an accredited Construction Arbitrator of the Construction Industry Arbitration Commission since 1989.

Dr. de Castro earned his PhD in Civil Engineering, Major in Structures, at Lehigh University, Pennsylvania, and completed his MS and BS in Civil Engineering at the University of the Philippines, Diliman. He is a registered structural and civil engineer.